| /********** |
| This library is free software; you can redistribute it and/or modify it under |
| the terms of the GNU Lesser General Public License as published by the |
| Free Software Foundation; either version 3 of the License, or (at your |
| option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
| |
| This library is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
| FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
| more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with this library; if not, write to the Free Software Foundation, Inc., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| **********/ |
| // "liveMedia" |
| // Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved. |
| // MP3 Transcoder |
| // Implementation |
| |
| #include "MP3Transcoder.hh" |
| |
| MP3Transcoder::MP3Transcoder(UsageEnvironment& env, |
| MP3ADUTranscoder* aduTranscoder) |
| : MP3FromADUSource(env, aduTranscoder, False) { |
| } |
| |
| MP3Transcoder::~MP3Transcoder() { |
| } |
| |
| MP3Transcoder* MP3Transcoder::createNew(UsageEnvironment& env, |
| unsigned outBitrate /* in kbps */, |
| FramedSource* inputSource) { |
| MP3Transcoder* newSource = NULL; |
| |
| do { |
| // Create the intermediate filters that help implement the transcoder: |
| ADUFromMP3Source* aduFromMP3 |
| = ADUFromMP3Source::createNew(env, inputSource, False); |
| // Note: This also checks that "inputSource" is an MP3 source |
| if (aduFromMP3 == NULL) break; |
| |
| MP3ADUTranscoder* aduTranscoder |
| = MP3ADUTranscoder::createNew(env, outBitrate, aduFromMP3); |
| if (aduTranscoder == NULL) break; |
| |
| // Then create the transcoder itself: |
| newSource = new MP3Transcoder(env, aduTranscoder); |
| } while (0); |
| |
| return newSource; |
| } |